package com.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.reggie.common.R;
import com.reggie.entity.Employee;
import com.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

//    登录
    @PostMapping("/login")
    public R<Employee> Login(HttpServletRequest request, @RequestBody Employee employee){

//        将页面提交的密码password进行md5加密处理
        String password=employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

//        根据页面提交的用户名username查数据库
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);

//        如果没有查询到则返回登录失败结果
        if (emp == null){
            return R.error("登录失败");
        }

//        密码比对,如果不一样则返回登录失败结果
        if (!emp.getPassword().equals(password)){
              return R.error("登录失败");
        }

//        查看员工状态,如果为禁用状态,则返回员工已禁用结果
        if (emp.getStatus()==0){
            return R.error("账号异常");
        }

//        登录成功把员工id存入session并 返回登录成功结果
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }

//    员工退出
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
//        清除session中保存的当前员工的id
      request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

//    新增员工
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
  log.info("新增员工信息{}",employee.toString());
// 初始化密码, 密码加密
  employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

//     employee.setCreateTime(LocalDateTime.now());
//     employee.setUpdateTime(LocalDateTime.now());
//        long empId =(long) request.getSession().getAttribute("employee");
//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);

        employeeService.save(employee);
     return R.success("新增成功");
    }

//    员工信息分页查询
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
log.info("page={},pageSize={},name={}",page,pageSize,name);
//     构造分页构造器
        Page pageInfo=new Page(page,pageSize);
//     构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper<>();
//     添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
//     添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);
//     执行查询
        employeeService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);
    }

//    更新员工信息
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());
        log.info("当前线程id{}",Thread.currentThread().getId());
//        employee.setUpdateTime(LocalDateTime.now());
//        long empId = (long)request.getSession().getAttribute("employee");
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("信息修改成功");
    }

//   员工信息回显
    @GetMapping("/{id}")
     public  R<Employee> getById(@PathVariable Long id){
        log.info("根据id查询员工信息...");
       return R.success(employeeService.getById(id)) ;
     }
}
